"Carrier Weathermaker Infinity Error 42 " , posted Wed 1 Oct 10:53

On our Weathermaker (8 years old) I am getting an error 42 - Inducer outside valid speed range. I think this means the purge motor is out. If so, the motor sits in easily accessible location and I thi ... read more

Steve N

"gibson 90 plus heater " , posted Sun 28 Sep 18:34

I just installed my first 90 plus heater and upon firing up I noticed the main supply trunks get very hot. Should I be concerned with these ducts mounted tight against the floor joists of a 107 year o ... read more

mhl

"suggestions for the forum Admins " , posted Fri 26 Sep 00:42

Just a couple of suggestions:Make it so that when a thread is replied to, it automatically gets bumped to the top of the list so that you can see the active posts without wading through the st ... read more

Schock Therapy

"how old is my furnace " , posted Wed 17 Sep 18:03

need to know how old my duomatic olsen furnace is? serial #01205hsjn ... read more

shayne

"handset " , posted Fri 22 Aug 05:47

when my hand set is bad and i can no longer answer my calls. ... read more

absoluteherb

"Liquid line too small? " , posted Fri 15 Aug 19:04

I have a small commercial building in North Florida. Its got a new Ruud 2.5 ton split system A/C just installed. New ductwork, new lines, new everything. Upon initial startup, the thing runs great ... read more

CarlF

"ac blowing heat " , posted Sat 9 Aug 01:34

I have a bryant furnace/AC unit. Ihave a problem with one zone. I cant get the Ac to run on zone one. It will send heat if the thermostat is calling for heat or calling for nothing. When he Thermo ... read more

wheelnchef

"Trane / gas valve replacment with a Universal " , posted Fri 8 Aug 19:25

The gas valve needed replacing and the old valve was a 36C84/replacement calls for a new Universal L41-800 and my problem is the old wiring has 6 wires and the new universal unit has only 4 outlet con ... read more

Mike Delanzo

"Williams wall furnace willnot stay lit " , posted Tue 5 Aug 23:09

I have a Williams wall furnace, Piolet will lite and go out when I let go of the button. I replaced the elcetronic thermoucouple and it still does the same thing?help!!bob ... read more

Firecaptain9

"28,000 BTU remote control window unit " , posted Mon 21 Jul 10:53

I have a 28,000 BTU window unit. Someone has taken off the tag off with the Manfacture's name, model, and serial number. I would like to start this unit to see if it works but someone took the power c ... read more

David Hendley

"mech lean " , posted Tue 1 Jul 23:05

Can some one explain the process of a mech lean......Pleez...Thanx ... read more

nichvac

"Black & McDonald " , posted Thu 12 Jun 04:59

Has anyone else heard the rumors that this company is out to undermine the unions by using as much non union labor as possible, on their Facility Management contracts. If that's true, how are they get ... read more

fridge12

"Noisy 13 Seer Series Condensing Unit " , posted Sun 8 Jun 12:15

Our condensing unit makes a loud screeching noise on start up...it lasts for quite a while and then runs smoothly. Our contractor came out several times and said this was normal for piston vs scroll ... read more

Katy

"heat pump low suction pressure " , posted Wed 21 May 09:45

Hi I have an 15 yr old 3 ton heat pump that leaked down to o psi , so we pulled a vacumn on it with valves open checked for leaks none found , so then we tried to recharge the unit , weighed the c ... read more

meajom1

"arcoaire twinned furnaces w/board problems " , posted Sat 3 May 21:17

our HVAC company installed twinned furnaces about ten years ago in a residence.we have replaced three circuit boards in the last two years.I was not involved in the previous service calls but last Fri ... read more

oldmangobles

"Ice machine wont harvest " , posted Fri 2 May 11:46

I have a Ice machine that makes Ice fine but wont harvest. Its a hot gas harvest operated by a solonoid. I know the coil,and circuit board are good. Tha evap is clean. The TXV is responding to hot and ... read more

lynchmob

"Gauges " , posted Wed 30 Apr 00:16

Can somebody tell me exactly how to read the manifold gauges? What is the magic number for the low side, and the high side, and how can you tell what the freon level in a given A/C is? ... read more

Edmiester

"wiring digram " , posted Tue 29 Apr 18:31

Does anyone know where to get a internal wiring digram of a Central Elect. Furnace Model # EB15B ... read more

gmercerk

"what switch " , posted Fri 29 Feb 18:04

I have a sear's wall furnace with several limit switches. I would appreciate someone telling me what I should set them at. One is a SPST 150 open, 110 closed. This is located in front of the heat cham ... read more

moea

"Sear's wall heater parts " , posted Fri 29 Feb 09:04

A have a sear's wall heater. It's model number 867-721300 and I'm looking for the burner. Sear's part number for the burner is 507989. They have discontinued the part, and i'm wondering if anyone has ... read more

moea

"test " , posted Sat 23 Feb 21:40

test ... read more

Wind Bag

"Finding information about “5500 heater”. " , posted Thu 7 Feb 23:40

I have a problem with the 5500 heater. I want some information and System about heater.If you have some information about this subject so please share with me thanks. ... read more

kristiamy

"Jim Johnson Troubleshooting " , posted Mon 4 Feb 12:09

Every Month a man named Jim Johnson Writes a troubleshooting problem for the magizine "Indoor Comfort". (for info on indoor comfort see www.IHACI.orgread more

KnightOfTheBass

"Jim Johnson Troubleshooting " , posted Mon 4 Feb 12:08

Every Month a man named Jim Johnson Writes a troubleshooting problem for the magizine "Indoor Comfort". (for info on indoor comfort see www.IHACI.orgread more

KnightOfTheBass

"Troubleshooting " , posted Mon 4 Feb 12:00

Every Month a man named Jim Johnson Writes a troubleshooting problem for the magizine "Indoor Comfort". (for info on indoor comfort see www.IHACI.orgread more

KnightOfTheBass

"Troubleshooting " , posted Mon 4 Feb 12:00

Every Month a man named Jim Johnson Writes a troubleshooting problem for the magizine "Indoor Comfort". (for info on indoor comfort see www.IHACI.orgread more

knightofthebass

"I would've LMAO if it wasn't so serious " , posted Sat 2 Feb 20:09

Without a doubt it had to be the time I was called to a house by a woman because her pilot kept going out in the water heater. When I arrived I found the vent pipe completely removed from the draft ho ... read more

jbwstroker

"HVAC Experts Wanted " , posted Fri 1 Feb 16:16

HVAC Professionals needed to author professional reference books for such publishers as McGraw-Hill, John Wiley & Sons, CRC Press, Elsevier Science & Technology, and other mainstream publishers. There ... read more

LWE

"response " , posted Wed 30 Jan 20:54

I do know the unit gets power to at least one circuit because the heat element seems to warm up. the major difference I notice when putting out heat or not- is related to the fan either switching on o ... read more

bjmanley

"freezing in auburn(trane help) " , posted Tue 29 Jan 17:38

I have a 2 yr. old Trane heat pump model# xe1200. The problem I have is that when I set and "hold" temp. on thermostat, the fan blowing the inside vents turns on, however, nothing seems to turn on out ... read more

bjmanley

"heat pump lockout " , posted Thu 17 Jan 17:27

I have a customer that has line voltage drops alot,what can I do to keep the unit from locking out,and eliminate me from having to go and reset the circuit breakers to get the heatpump operating again ... read more

lhrsitech

"Turning on auxiliary heat manually. HELP! " , posted Thu 17 Jan 15:24

I hope someone can answer this,We just had a new Goodman furnace installed with an electric heat pump. I am pleased with the system but HATE our digital thermostat because it won’t let me tell ... read more

theschoolpsych

"Turning on auxiliary heat manually. HELP! " , posted Thu 17 Jan 15:22

I hope someone can answer this,We just had a new Goodman furnace installed with an electric heat pump. I am pleased with the system but HATE our digital thermostat because it won’t let me tell ... read more

theschoolpsych

"What the hell is happening to this trade " , posted Sat 5 Jan 14:28

Ok first of all to all the DIY and random homeowners reading this post. This site should be taken as advice and educational only. At no time should a home owner be working on his/her own furnace or ... read more

northernfitter

"gmpn120-5 " , posted Thu 3 Jan 13:10

this goodman dependable 92 has developed strong smelling exhaust, like incomplete combustion, also flame in one burner not completely into burner. vent seems somewhat weak also. does exchanger need cl ... read more

dshadoan

"Furnace clearance codes " , posted Thu 20 Dec 19:50

Iwant to add a gas furnace to an addition on the side of my garage. What is the required clearance between the gas furnace and the walls. Just wondering if I even have room for the install ... read more

oakdust

"payne help " , posted Sat 15 Dec 08:23

my payne furnace stop heating the other day, and there are things that i don't know of what needs to be fixed, so i will list them, and maybe someone can tell me what they think. the unit blower, when ... read more

pinstripepower

"wanting to contact you guys, asap! " , posted Wed 12 Dec 02:37

business proposal,,,,would like to interlink our sites as a Hvac Forum site interlink,,, i have some tags i could make , and have made already on my site, at HvacrTalk.com in the second threa ... read more

hvac-pro

"Noisy Goodman Furnace " , posted Mon 10 Dec 15:28

I recently had a Goodman GCH90703BX furnace installed. From the first day it ran it sounded like a jet airplane taking off. The draft inducer has a very shrill noise coming from it everytime the fur ... read more

tblakeman

"Payne PG8MAA blowing but not firing up " , posted Fri 16 Nov 20:12

I have a Payne (PG8MAA) furnace unit. It appears like the unit is kicking on, and gas is blown into the unit, but I don't believe the gas is being ignited. Before I spend $300+ dollars on a service ... read more

mdickneite

"Rip off charges " , posted Fri 9 Nov 05:58

I recently had my 76 year old mothers Ruud furnace serviced. I knew it was the hsi ignitor. I didn't have the experience to fix the problem if it was more extensive. I paid for the service cal ... read more

civilian5